Disk plow.



No. 010,620. PATENTED JAN. 20, 1000.

` w. s. 000K. DISK PLOW.

APPLIGAT'ION FILED 1211.201004.

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PATENTED JAmza. 190e.

W. S. COOK.

' DISK PLOW.

APPLIUATION FILED 113.25. 1904.

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UNITED STATES Pnrnxr OFFICE.

DISK PLOW.

Specification of Letters Patent.

Patented Jan. 23, 1906.

Application iiled February 25, 19.04. Serial No. 195,209.

To .all whom it' may concern: Be it known that I, .VrLLIAiLS COOK, a citizen of the United States, residing at San Jose, in the county of Santa Clara and State of California., have invented new and useful Improvements in Disk Plows, of which t-he following is a specification.

My invention relates to improvements in 'disk plows and appurtenances therefor.

It consists in a novel construction of the plow-beam sections and their peculiar curvature and position with relation to the draftline whereby said beams instead of standing a proximately in the line of travel of the ,p ows are ser olli in lines diagonal to said line of travel. i

It compri-es a means for adjusting the furrow and land wheels so that the plows may be made to run closely against the trees ofan orchard, for which this plow is especially desig'ned. Means are provided for'regulat-ing and varying the draft-otl the apparatus so that the plows may be caused to run either to right or left with relation to the team by ,which they are hauled, and means are provided for lthe holdingand release of the rear wheel, so that the wheel may be allowed to "swivel when it is desired to turn the plow to the right and locked against such movement under ordinary conditions of use, the wheel being free when turning to the left.

- My invention also comprises details of construction, which will be more fully explained b y reference tothe accompanying drawings,

in which-.l

Figure 1 is a plan view`of the plow. Fig,V

, 2 is a plan of frontend, showing the front .draft and turning attachment directly7 connected. Fig. 3 is a transverse section of 40 beams and locking-blocks. Fig. 4 is a side elevation of the plow. Fig. 5 is a partial front view showing. the furrow-wheel with its turning post and attachments and lockblocks. Figs. 6 and7 are separate enlarged views of the trading-wheel shaft, turning post,

and attachments.

A A A are the sections of the plow-beam, which are made in such 'sizes and so shaped that each section serves for the mounting of 5 one of the disks of which the plow may be composed. These beam-sections are curved as shown'at 2, 2', and 2, and are so fixed to the draft-bar 3 that the straight portions'of the sections lie to the left of the line of the bar 3 and the-line of draft, and thence the rear portion is curved inwardly toward the line of draft, as shown, to extend. diagonally lo the line of travel. These. beams are preferably,

made of steel and of vertical I section, und at the point of junction between the rear of the straight portion of each beam and the front of the next succeeding beam l employ locking-blocks 4, which are so shaped as to fit into -the concaved sides' of the contiguous parts ofthe beams A', and bolts l) t', passing through these locking-blocks and the beams, serve to hold them firmly together. The shape of the locking-blocks fitting the corresponding shapes of the beam sides, as in Fig. 5%, prevents any twisting or turning and locks them together as a single solid structure. The rear diagonal portion of each ofthese beams carries a concavo-conyex disk 5. These disks are mounted upon hubs 6, having concaved disk port-ions at the front, as shown at 7, into which the convex backs of the plow-disks 5 are f1tted and supported. Screw-bolts S project from the hub 6 through the center of the disk, and by means of nuts screwed iirmly upon the threaded ends of the bolts the disks 5 are locked to thehubs. The low-beams are carried upon the. front rig t-hand or furrow wheel v'16,- upon a left-hand or land wheel 17, and upon a rear wheel 18, these wheels being attached to the frame, as follows: The lefthand wheel 17 has a crank-axle 19, which is turnable in a box 20, and by means of a lever and rack, as at 21, it maybe moved so as to raise or depress the plow-frame at will. This'box 2O has an extension, as at 22, and this may enter between the.two contiguous parts of the beam-sections AA and may thus form oneof the locking-blocks for the beams, the other one being set at the proper distance therefrom to form the union between the two beam-sections, as previously described.

Across the front of the plow-beams extends a beam 23, which is bolted to the plowbeam, as shown; and adjustablejtransversely. This beam. ;23 stands approximately at right angles with the draft-bar 3, and the plowbeams extend diagonally to the left baekwardly from this transw lerse beam, as previously described. This beam 23 is bent up- IOS wardly, as shown, and at its right end it carries the standard of lthefurrow-wheel 16. The furrow-wheel is mounted lupon a short shaft'having an upturned vertical portion 16a,`which is slidable lin the standard and is operated in the usual manner to raise or IIO lower by means of a lever 24. To t-he upper A 2 5 than the seat-level.

end of this vertical ortion 16 is connected et'cinemk.d arm 25, an this is movable to turn the wheel 16 around its vertical axis by means of a rod` 26, which may connect with .the 5 crank-arm 25 and extends back to a point within convenient reach of the driver, who sits upon the seat at the rear of the machine. T he rear end of the rod 26 is connected with a suitable lever, as at 27, and by means of the fo customary pawl-and-rack mechanism' it may be held at any desired point of adjustment.

, By thus-bending the transverse bar 23 upwardly I am enabled to provide a sufficient clearance and room for the standard and verticalswivel-post 16" of the wheel 16, and the lever by which this wheel is raised and lowered is so fulcrumed at the front end and connected with the movable part that when the wheel is adjusted to the operative position of the plow this lever will be lowered to approximately horizontal position. The same arrangement is made for all the actuatin -levers except the lever 27, which turns the orward wheel, and this is little higher By ,this construction the plows may be run beneath overhanging leaves or foliage and close up to the bodies of the trees or plants without interference of these levers. The beam 23 also has a num -1 where it crosses and is secured to the draftbar 3, and by chan 'ng the bolts in these bolt-holes the whee 16 may be brought nearer to and farther from the line of travel' ,;.-of the plows, and thus allow the plows to travel more closely to the line which it is desired to cultivate.

The draft may be changed as follows: 28 is a bar pivoted, as at 29, adjacent to the central clevis 30 and having holes made through it. This bar projects transversely from its connectingpoint29, and a bracefbar 31connects its outer end with the draft-bar 3. By ldisen aging one end of this brace the bar 28 may e turned to project either t'o the left or right of the bar 3 and be held in positionby the brace-bar 31, and the change of posiu tion orpoint of attachment of the team changes the line of travel of the plows .to the right or left.

Although the wheel 16 may be turned about its vertical swivelost by the crankarm 25, rod 26, and handever 27, it isA sometimes desirable to turn this Wheel in unison' With the movements of the team and inde-.

pendent of any movement of the lever 27.' or this urpos'e I have shown an anlar or bell-cran lever 45 fulcrumed to the ont of the bar 3 by a in through 'its angle, so that one arm of the lever-extends substantially in line with the draft-bar and carries means for the attachment of the'team'. The other arm yextends to one side of the draft-bar, and a rod 46 is connected with it either. directly or by a link 47 or equivalent con1iection. The

ber of bolt-holes made in line at the point rear end of this rod is connected with one, end of an arm 48, centrally pivoted to the' crank-arm 25, while the rod 26 is'connected with the opposite end of the arm 48; By' this construction the driver, may by move- 7o ment of the lever 27 turn the wheel 16-from oneside to the other without changing the line of travel of the team; but When-the 'low is to beturned or its direction change by turnin the team thev side pull thus exerted upon t e bell-crank lever 45 will act, through the rod 46 and -the lever-arm 48, lto turn the wheel 16 without moving the lever 27, which, acting through the rod .26, holds one end of. 48 stationary, so that the pull on the rod 46'80 acts through the other end of 48 and upon the arm 25, to which 48 ispivoted. 4

The rear wheel 18has ahub revoluible u on a-shaft, and upon the' outer end of the hu is a cap, as at 32, to prevent the admission of dirt or the escape of lubricant. From the spindle upon which the wheel turns extends the bent arm 33, which is turnedupward to form the vertical turnin post 34, and this. turning post is supporte' in a vertical sleeve 9o 35, which projects upward from the plate or extension 36 ofthe rear end ofthe rear plowbeam, as shown. The rear end ol this extension 36 carries a plate 38, having an arm 39 projecting downwardl so as to normally stand in line with the s aft 33 and prevent its turning to one side-by the swivelmg of post 341in its box, said arm having its -lower end inclined diagonally tothe-horizontal portion of the axle. This keeps the wheelin position 10o while the plow is mofvmg ahead, and while it `Fig. 7, at the leftj Thiais the-position when the low is' going forward or when turning to 1'15 the eft; but when l want to turn to the right vthe lever 49 musteither be lowered to the' bottom of .its rackA or the block 38 must vbe tilted up, as shown in dotted lines in Fig. 6, i, which allows the arm 33 to pass `under the l12o plate 38 and to turn to the right. After the turn has been made and the' plow isag'ain straightthe lever 49 is again raised to engage the eft side of the plate 38 -or this part may be depressed and .the inclined portion of x25 arm 38'serves to force the axle over tothe left, if it is -just beneath this part. 'If the lower end of the plate 38 were square, it would strike the axle on top and could notbc forced down or the axle brought up in its position to 13 0 under vthis block 38 if not engaged .against 'the vertical left side ofthe block above the 1ncli 1ieas previously described; but when the lever. 491s raised and the shaft as is above and to the left of the incline this shaft 33 can not swivel to the right, but holds the rear end of the frame from going to the left or toward the land when the disks are lin the ground. It' is not intended to Work automatically when you turn to the right, for I must either raise the block 38 or lower the lever 49 to allow a right turn; but after such turn has been made and the block 38 pressed down it forces the shaft 33 to its roper place on the left by-reason of the inc ine on arm 39, as previously stated. The raising or depression of the vertical turning post 34 within its sleeve is effected by the lever'49, which has one end fulorumed to' a link 50, the other end of which link is connected with the plate 36 or other artV of the frame. Therack 5l, with whic the pawl on the lever 49 engages, is fixed or cast upon a sleeve 35, and this moves in unison with the sleeve, so as to standdn constant relation with the lever and pawl,l and by this-construction the movement of these parts is independent of the turning of the Wheel.

g Having thus described my invention, what I. claim, and desire to secure by Letters Pat 1. The combination in a disk plow, of

beam-sections havin a substantially straight front portion, said ont portions arranged one parallel with the other and overlapping each other, a dratLbar in the line of travel of the machine, attachments by which the straight portion ofthe front section is supported therefrom at an angle divergent from the line of travel, said sections having curved rear ends extending at an opposite angle from the iront portion, means for supporting revoluble disks. from said curved rear ends oi the beams and locking-blocks'interposed between and interlocking with the overlapping beamsections and bolts whereby the parallel straight portions ci a plurality of bea-nis are rigidly united.

2. The combination a disk plow ot a sectional beam composed olla plurality oi straight I-shaped overlapping sections, having parallel straight front portions arranged at an angle with the line of dra-lt, and. having bent rear portions, correspondingly shaped lockingblocks litting the contiguous concavities of the beam-sections and bolts whereby said blocks and a straight iront portion o a plurality of sections are rigidly locked together, 'a draft-bar to which said beams are united so that the liront portions extend diagonally away from the line ci travel, andltheir rear ends diagonally in the opposite direction,

standards ixed to said-rear ends and journais by which the' disks forming the lows diate adjustable land-wheel Alocated upon the l opposite side of the plowfand a rear angularly-disposed supporting-wheel, an inclined axle upon which said wheel is turnable, said axle being bent andhavinga vertical and a horizontal portion, a sleeve within which said vertical portion is turnable, and a block having a downwardly-projecting arm 'adaptd to engage the arm of the axle to maintain the wheel in its line of travel, said block having its lower end .inclined diagonally to the horizontal. portion of the axle.

4. A gang-plow consisting of a beam su ported diagonally to the line of travel of t e machine and having a revoluble disk low connected therewith, land and furrow w eels by which the front of the plow is supported, a rear wheel having a bent and inclined axle, said axle having a vertical swivel-post, a box in which the post is freely turnable, a llocking block and arm adaptedv to engage the bent axle to maintain the wheel substantially in line of travel, said block and arm being movable to disengage from the axle "to allow the wheel to swivel when the machine is turned to the right, and said block having the lov-fer end inclined diagonally with the horizontal portion of the axle.

5. A. gang-plow comprising a beam and a plurality ci plows carried thereby, land and furrow wheels, vertical turning post upon which the front furrow-wheel is carried, a crank-arm connecting therewith, a lever centrally fulcrumed to the end of said crank, a

IOO

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rod connecting one end of said lever with a hand-lever and a second rod connecting the opposite end of the lever with a bell-crank lever to which the draft-team is attached.

A 6. The combination with a gang-plow, the draft-bar, bearing\vheels and turnable fnr row-Wheel, of a bell-crank lever having its angle pivoted at the front of the draft-bar, a ccnnectionwith one arm for the attachment oi the team, a rod connecting the other arm with a centrally fulcruined lever, a crank-arm fixed to the turning post .of the 1furrow-wheel, upon which arm the said lever is iulcrumed, and a rod connecting the opposite end of the lever with the drivers lever whereby the furrow-wheel may be turned efither by turning the team or by the handlever.

i '7. ln a gang-pleine bent beam, having a straightlfront portion arranged at an angle.

with the draft and having .a rear portion extending diagonali)T with the front portion, a draftbar with which saidbeam is connected 5' so" that the beam stands` da onally across the line of travel, a revoluble isk' plow 'our- 1 l naled to'the rear dia onal' portin lo thel 1 5 journaled t ereto as shown, a vertical swivelpost 'by which the furrow-wheel is carried, an arm fixed to the post', a' second'arm centrally pivoted to the end of the first-named arm, a tu'rnable bell-crank lever to one armof which 2.o the team is connected, connection between tical turning post A IleSSeS.

the other arm of the bell-crank lever and one end of the second pivoted arm aforesaid', and a connection between the other arm of said pivoted arm and a manually-operated lever.

9.. In a disk plow, a 'plow-baarn da onall7 25 supported with relation te the Ime o trave vertically adustable furrow -and landslide wheels, a free yew veli1g trahwheel, a .vera having a horizontal axle portion for the trail-wheel, and a sto -block 3o movable te lock-or te release the trai awheel, and having-its lower end nchned diagonally to the 'honzental ortion ofthe axle.

' In'testimony W .ereof Ihave herennto set my hand in presenceofftwe snbaenhmgmtl35 -QWILLIAM S. COOK. Witnesses: I

IF. L. BURnnnn,

W. C. Annnnson. 

